Question

A borrowed 2,500 from B at 12% per
annum compound interest. After 2 years, A
gave 2,936 and a watch to B to clear the
account. Find the cost of the watch​

Answer 1

p=2500

rate=12%

A=2500(1+12/100)(1+12/100)

= 2500×112/100×112/100

=3,136

cost of watch=3136-2936

=Rs.200

Answer 2

I think this can be solve on the formula PRT/100